Table 5.
Correlations between changes in zero blood flow pixels and changes in macular thickness over four years in OAG patients of African and European descent.
Retinal Area Zero Blood Flow Pixels |
Macular Region |
African Descent (AD) | European Descent (ED) | Comparison AD vs. ED |
||||
---|---|---|---|---|---|---|---|---|
n | r | p-value | n | r | p-value | p-value | ||
Superior Retina |
outer superior | 18 | −0.61 | 0.006 | 59 | −0.09 | 0.476 | 0.034 |
inner superior | 18 | −0.51 | 0.031 | 59 | 0.01 | 0.944 | 0.051 | |
outer inferior | 18 | −0.76 | 0.000 | 59 | −0.05 | 0.700 | 0.001 | |
inner inferior | 18 | −0.64 | 0.002 | 59 | −0.21 | 0.120 | 0.060 | |
outer nasal | 18 | −0.58 | 0.010 | 59 | 0.03 | 0.827 | 0.017 | |
inner nasal | 18 | −0.50 | 0.032 | 59 | −0.16 | 0.235 | 0.174 | |
outer temporal | 18 | −0.60 | 0.007 | 59 | −0.19 | 0.150 | 0.083 | |
inner temporal | 18 | −0.27 | 0.289 | 59 | 0.02 | 0.864 | 0.307 | |
macular volume | 18 | −0.61 | 0.006 | 59 | −0.12 | 0.361 | 0.044 | |
Inferior Retina |
outer superior | 18 | −0.69 | 0.001 | 57 | 0.04 | 0.743 | 0.002 |
inner superior | 18 | −0.55 | 0.017 | 57 | −0.15 | 0.281 | 0.109 | |
outer inferior | 18 | −0.80 | 0.000 | 57 | −0.10 | 0.452 | 0.001 | |
inner inferior | 18 | −0.65 | 0.003 | 57 | −0.17 | 0.211 | 0.039 | |
outer nasal | 18 | −0.66 | 0.002 | 57 | −0.21 | 0.124 | 0.049 | |
inner nasal | 18 | −0.54 | 0.020 | 57 | −0.05 | 0.708 | 0.059 | |
outer temporal | 18 | −0.58 | 0.010 | 57 | 0.06 | 0.670 | 0.014 | |
inner temporal | 18 | −0.24 | 0.344 | 57 | −0.04 | 0.780 | 0.479 | |
macular volume | 18 | −0.64 | 0.004 | 57 | −0.07 | 0.629 | 0.019 |
Bold P-values indicate statistical significance (p<0.05).
Table 5 legend: n-number of participants; r-correlation coefficient.